Apparatus, method and computer program product for processing acoustical-signal
AssigneeKabushiki Kaisha Toshiba
InventorsKoichi Yamamoto, Akinori Kawamura
Life of this patent
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Abstract
An acoustical-signal processing apparatus includes a feature extracting unit that extracts feature data common to each channel signal which forms a multichannel acoustical signal, based on a composite similarity obtained by combining similarities calculated from each channel signal; and a time-base companding unit that executes time compression and time expansion of the multichannel acoustical signal based on the extracted feature data.
Claims15
An acoustical-signal processing apparatus, comprising:
- a feature extracting unit that extracts feature data common to a plurality of channel signals which include a multichannel acoustical signal, based on a composite similarity obtained by combining similarities among the channel signal;
- and
- a time-base companding unit that executes time compression and time expansion of the multichannel acoustical signal based on the extracted feature data.
A computer program product having a computer readable medium including programmed instructions for processing an acoustical-signal, wherein the instructions, when executed by a computer, cause the computer to perform:
- extracting feature data common to a plurality of channel signals which include a multichannel acoustical signal, based on a composite similarity obtained by combining similarities among the channel signal;
- and
- executing time compression and time expansion of the multichannel acoustical signal based on the extracted feature data.
An acoustical-signal processing method, comprising:
- extracting feature data common to a plurality of channel signals which include a multichannel acoustical signal, based on a composite similarity obtained by combining similarities among the channel signal;
- and
- executing time compression and time expansion of the multichannel acoustical signal based on the extracted feature data.
Dependencies are inferred from the claim text.